[aprssig] How to Send to the APRS IS

Lynn W. Deffenbaugh (Mr) ldeffenb at homeside.to
Wed May 10 04:04:00 CDT 2017


Questions about aprs.fi's handling and labeling of packets are better 
posted to the aprs.fi google group.

Although I suspect it's related to the frequency of the packets and the 
relatively small change in position.  To a computer analysis, this could 
look like GPS jitter and not actual motion. But only Hessu can say for sure.

Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

On 5/10/2017 4:59 AM, Andrew Rich wrote:
> And this lot I have no idea - they are all different positions
>
> Unless it is time based
>
> 2017-05-10 18:53:58 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.21S/15302.65E> [Duplicate position packet]
> 2017-05-10 18:54:08 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.20S/15302.65E> [Duplicate position packet]
> 2017-05-10 18:54:27 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.21S/15302.64E> [Duplicate position packet]
> 2017-05-10 18:54:38 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.22S/15302.64E> [Duplicate position packet]
> 2017-05-10 18:54:47 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.22S/15302.63E> [Duplicate position packet]
> 2017-05-10 18:54:58 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.23S/15302.63E> [Duplicate position packet]
> 2017-05-10 18:55:08 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.23S/15302.62E> [Duplicate position packet]
> 2017-05-10 18:55:18 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.24S/15302.62E> [Duplicate position packet]
> 2017-05-10 18:55:28 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.24S/15302.61E> [Duplicate position packet]
> 2017-05-10 18:55:37 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.25S/15302.61E> [Duplicate position packet]
> 2017-05-10 18:55:48 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.25S/15302.60E> [Duplicate position packet]
> 2017-05-10 18:55:58 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.26S/15302.60E> [Duplicate position packet]
> 2017-05-10 18:56:08 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.26S/15302.59E> [Duplicate position packet]
> 2017-05-10 18:56:18 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.27S/15302.59E> [Duplicate position packet]
> 2017-05-10 18:56:48 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.27S/15302.58E> [Duplicate position packet]
> 2017-05-10 18:56:58 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.25S/15302.59E> [Duplicate position packet]
> 2017-05-10 18:57:08 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.25S/15302.60E> [Duplicate position packet]
> 2017-05-10 18:57:18 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.25S/15302.61E> [Duplicate position packet]
> 2017-05-10 18:57:28 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.26S/15302.62E> [Duplicate position packet]
> 2017-05-10 18:57:38 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.27S/15302.62E> [Duplicate position packet]
> 2017-05-10 18:57:48 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.27S/15302.65E> [Duplicate position packet]
>
> -----Original Message-----
> From: aprssig [mailto:aprssig-bounces at tapr.org] On Behalf Of Andrew Rich
> Sent: Wednesday, 10 May 2017 6:48 PM
> To: aprssig at tapr.org
> Subject: Re: [aprssig] How to Send to the APRS IS
>
> I don’t know that aprs.fi is working right
>
> A packet was marked duplicate position - but its not a duplicate of either packet either side of it !
>
> 2017-05-10 18:46:08 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.26S/15302.62E>
> 2017-05-10 18:46:13 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.27S/15302.62E> [Duplicate position packet]
> 2017-05-10 18:46:18 AEST: VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.27S/15302.65E>
>
> -----Original Message-----
> From: aprssig [mailto:aprssig-bounces at tapr.org] On Behalf Of Andrew Rich
> Sent: Wednesday, 10 May 2017 6:11 PM
> To: aprssig at tapr.org
> Subject: [aprssig] How to Send to the APRS IS
>
> Here is what I send
>
> VK4TEC-9>APZ001,TCPIP*:!2720.25S/15302.59E>
>
> Here is what I see
>
> VK4TEC-9>APZ001,TCPIP*,qAS,VK4TEC:!2720.26S/15302.57E>
>
> I logged on as "user VK4TEC pass <passcode>"
>
> Andrew
>
>
>
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